Domain Specific Biases(Geographical influence)Updated Aug,11st

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data used :foursquare NYC data,

this code has not been finished yet..

here  is the link: https://github.com/FassyGit/LightFM_liu/blob/master/DomainBiases.py

I have succeeded in calculating the distannces, there are some functions in the codes.

I will briefly talk about the problems I have right now...

The major problem is how to preprocess the data. The concept is simple, we treat some negative as non-negative. 

But it is really a hassle doing this.

I have not come up with a way that do not touch the warp theory yet ...

Domain Specific Biases(Geographical influence)Updated Aug,11st

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原文地址：http://www.cnblogs.com/fassy/p/7348352.html